1 /* { dg-do compile { target size32plus } } */
2 /* { dg-options "-O2 -ftree-loop-distribution -ftree-loop-distribute-patterns -fdump-tree-ldist-details" } */
3
4 #define N (1024)
5 double a[N][N], b[N][N], c[N][N];
6
7 void
foo(void)8 foo (void)
9 {
10 unsigned i, j, k;
11
12 for (i = 0; i < N; ++i)
13 for (j = 0; j < N; ++j)
14 {
15 c[i][j] = 0.0;
16 for (k = 0; k < N; ++k)
17 c[i][j] += a[i][k] * b[k][j];
18 }
19 }
20
21 /* { dg-final { scan-tree-dump "Loop nest . distributed: split to 1 loops and 1 library" "ldist" } } */
22